Home / 1,239,862.60-1,856,246.10-763,339.60

Finding the Fourth Proportional to 1,239,862.60, 1,856,246.10 and 763,339.60

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Solution

The fourth proportional to 1,239,862.60, 1,856,246.10 and 763,339.60 is: 1,142,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,862.60 : 1,856,246.10 = 763,339.60 : x
  2. Step 2: Convert to fraction form
    1,239,862.60/1,856,246.10 = 763,339.60/x
  3. Step 3: Cross multiply
    1,239,862.60x = 1,856,246.10 × 763,339.60
  4. Step 4: Simplify right side
    1,239,862.60x = 1,416,946,155,475.56
  5. Step 5: Solve for x
    x = 1,416,946,155,475.56/1,239,862.60
  6. Step 6: Final answer
    x = 1,142,825.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.